| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| #pragma once |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #include "sha256.h" |
| |
| #ifdef GOOGLE3_BLAZE_BUILD // Redefine functions which collide with other third-party libs |
| #define hmac_sha256 systemd_hmac_sha256 |
| #endif // GOOGLE3_BLAZE_BUILD |
| |
| /* Unoptimized implementation based on FIPS 198. 'res' has to be allocated by |
| * the caller. Prefer external OpenSSL functions, and use this only when |
| * linking to OpenSSL is not desirable (eg: libsystemd.so). */ |
| void hmac_sha256(const void *key, size_t key_size, const void *input, size_t input_size, uint8_t res[static SHA256_DIGEST_SIZE]); |
